CVE-2023-32331
IBM Connect:Express for UNIX denial of service
IBM Connect:Express for UNIX 1.5.0 is vulnerable to a buffer overflow that could allow a remote attacker to cause a denial of service through its browser UI. IBM X-Force ID: 254979.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
IBM Connect:Express for UNIX denial of service
IBM Connect:Express for UNIX 1.5.0 is vulnerable to a buffer overflow that could allow a remote attacker to cause a denial of service through its browser UI. IBM X-Force ID: 254979.
- Record
CVE-2023-32331- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-119
- Updated
- 2026-11-02
EUVDEUVD-2023-36575
IBM Connect:Express for UNIX 1.5.0 is vulnerable to a buffer overflow that could allow a remote attacker to cause a denial of service through its browser UI. IBM X-Force ID: 254979.
- Record
EUVD-2023-36575- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-3pfw-5ffm-ww42
IBM Connect:Express for UNIX 1.5.0 is vulnerable to a buffer overflow that could allow a remote...
IBM Connect:Express for UNIX 1.5.0 is vulnerable to a buffer overflow that could allow a remote attacker to cause a denial of service through its browser UI. IBM X-Force ID: 254979.
- Record
GHSA-3pfw-5ffm-ww42- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-119, CWE-120
- Updated
- 2026-11-02
NVD
IBM Connect:Express for UNIX 1.5.0 is vulnerable to a buffer overflow that could allow a remote attacker to cause a denial of service through its browser UI. IBM X-Force ID: 254979.
- Record
CVE-2023-32331- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-119, CWE-120
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-32331 is a high vulnerability (CVSS 7.5) in Ibm Sterling Connect:express For Unix, published March 4, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.70%, the 53rd percentile. No source names a fixed version.